So you can use 5w30 motor oil for your engine because it is recommended and suitable. Indeed, your engine will be fine. The concern often centers around potential engine damage, but when it comes to oils of similar viscosities, there is no need for worry. And when the weather is cold, 10w30 will circulate and help your engine get started a lot quicker. Can You Mix 5W30 And 10W30 Most engine oils will have little trouble mixing with one another, as long as they’re of a similar type. AutoZone will tell you 5w30 but if you look on all the Mercedes forums they will tell you 0w30. 5W-30: also works well at all temperatures, and has a slightly lower oil consumption. either 50:50 or even 3:1 for a 5w27. Theoretically it is not advisable to blend oils. Mixing the oils can result in reduced lubrication because they have different viscosities. For example, if they’re 5W-30 and 10W-30, then you can use 80% of the amount of the 5W-30 and 20% of 10W-30. Synthetic 5W-30 can be used in all temperatures. The same brands would mean that they are compatible in terms of their additives. 5, so equal parts give a cSt half way in between (8. The recommended motor oil for Nissan vehicles is 5w30 and 10w30. The 10w30 will be thicker during cold starts than 5w30, but once the engine warms up, their viscosities are similar. In a 5w30 engine, you can add 10w40 oil without seeing any major negative impact. 30 weight goes from about 9. Nebraska. The 0w30 motor oil is known for its high capacity for improvement in terms of fuel economy. If you mix 5w20 and 5w30 engine oils, you won’t be getting the full benefits of either oil. Talking rated to -15F actual temp. However, conventional oil will detract from the superior performance of synthetic oil and reduce its benefits. Yes, you can mix 5W-30 and 10W-30 motor oils without causing significant issues for your engine. They will mix perfectly. Many have reported that they have not experienced any harm or harmful effects that the mixture did. If you are not in a situation where low-temperature startup anti-wear protection is not critical to you, then using 10w30 oil can be fine as well. Thanks to their close viscosity, mixing the two oils will have no damaging effect on the engine. Can you mix 5W30 and 5w40 oil? Simply put, you can mix 5W30 and 5W40; if your engine has been running with 5W30, upgrading to 5W40 won’t be any worse, and downgrading from. But I would not mind or worry about mixing 4 qts of 0-20 and 0. #16 · Nov 1, 2010. Originally posted by boxcartommie22: i got this from the million mile book. As a result of this, yes, is the response to the question. Aug 24, 2013. That said, you can mix 10w30 and 5w-30, but it’s. See moreWell, the answer isn’t quite as simple as a yes or no. As far as thicker oil, first try a High-Mileage oil before you do to a diesel 5W-40 - try Valvoline Maxlife 10W-30 and see if it helps. You can also use 10w30 motor oil in cold weather, but it is preferred in hot weather. Odds are, the difference will be negligible. Jun 13, 2002. C. So (30+30+25)/3 = 28. The engine will not work correctly, and if you use the mixture for a long time, the engine will be significantly damaged. This is because they essentially have the same viscosity at the same temperature, making them blend nicely. To get 10W you need at least 2. What is less (or not) predictable is the low temperature viscosity of 5W or 0W. Running Cold. You WILL NOT get a 5W by mixing a 10W and a 0W. But since the concentration of whatever waxes in the 10W-XX is diluted, it would seem like the viscosity would be lower due to the 0W-XX component. 5 then if U check the definition of oil by viscosity, U will see that 9. The fluid is commonly used in vehicles with gasoline engines. If you use 10W-30 instead of 5W-30 in a vehicle designed for 5W-30, you may notice some differences in performance, particularly in colder temperatures. As the viscosity of these two oils is very close, they will mix properly. I have never ever seen an owners manual that recommendeds. Mixing 5w 30 with 10w 30 is permissible as long as the ratio is appropriate, but it is not recommended by most vehicle manufacturers. Can you mix 5W30 and 10W30 engine oils? Therefore, there is no problem in mixing 10w30 and 5w30 since one will be topping up. And from all the research I've done, it appears that from a mechanical engineering standpoint, motor oil viscosity of about 10 or 11 cSt is ideal for the vast majority of automotive engines. #3. Additionally, If your lawnmower manual calls for. 5 of 5-30 if it was newer. Synthetic 5W-30 is at a significantly lower viscosity at 150c vs. I always go with what other owners say tho before autozone. Moreover, mixing oils of different viscosity ratings can affect the. 731. In cold climates, the viscosity of 5w30 is 5. Good old 10w30 is as close to a universal oil as exists, it seems to do well in virtually anything. 5w-30 and 10w-30 are no different once operating temperature has been reached. It will work great in your car in Georgia year-round. If your winter temps rarely drop below 32F, modern SAE 30 is a viable year-round oil. But you can use the 10w30 on the diesel engine as well. Dec 9, 2009. 10w30 oil is thicker and designed for use in higher temperatures and heavier engine loads. 5. Engine oil has a higher sheer rating than hydraulic oil. Q. However, this is only fine when you need to add more oil to the engine. Now, you might be wondering if you can mix oil brands. However, because it is thinner it. F-fan - As far as home brews go, 5W-30 with SAE 30HD should be a very practical mix. 1. 10W-30 synthetic oil’s range is between -25°C/-13°F to 30°C/86°F (sometimes -30°C/-22°F to 35°C/95°F) while a 10W-40 is from -30°C/-22°F to 40°C/104°F. So for the question, the answer is yes. The engine is the 1999 5. These two engine oils are very similar in viscosity; hence, they might mix perfectly in. Therefore, there is no problem in mixing 10w30 and 5w30 since one will be topping up. You don't want to use 5w30 in a push mower, it'll just burn up, because it's so thin. Mixed engine oil is better than low, dirty, or no oil. and just buy this quality oil in bulk at a low price. 10W-30 isn’t any different at starting temperatures than 10W-40 – but at operating temperature, the environment isn’t going to have as profound an effect as if it were hot outside the vehicle. What Happens If You Mix 5W20 With 5W30? Nothing significant will happen if you mix 5W20 with 5W30. The add packs are pretty much identical, the base oil and VI content would be the biggest difference. The short answer is yes, you can mix them. When I start to accumulate too much oil, I have actually performed a full OCI with 5 qts of this mix. 50’s & 60’s era 2 cycle engines used SAE30 grade oil @ 16:1 ratio. Therefore, there is no problem. 5%. Yes, you can consider using 10w30 instead of 5w30 in the summer when temperatures are higher. It’s possible to put in 10w30 oil without removing the previous one, but you’ll notice a considerable decline in performance while the oils try to mix and flow. Conclusion . In most cases, you can always use the 10w30 oil, but be sure it has the appropriate weight for your vehicle. I blend 10W30 and 15W40 together all the time and not just with the Duramax (2 of them) so it must be ok. 5%. Uses of 5w30 & 5w40. For example: Valvoline Maxlife Synthetic. What oil Can you mix with 5W-30? These two motor oils are very similar in viscosity; hence, they might mix perfectly in your engine. 5 + 10. But the resulting oil should still be at least a 5W. You WILL NOT get a 5W by mixing a 10W and a 0W. 5W30 is a multi-grade oil with a viscosity ranging from 5 (lower) to 30 (higher). Apr 2, 2010. Mixing different oil viscosity grades is not an issue as long as the oils share the same API classification. Despite their slight differences in viscosity grades, these oils share similarities when it comes to temperature considerations. The first number (5 or 10) refers to the oil’s viscosity at low temperatures – meaning how thick or. I use it just fine into sub zero territory (into the minus teens) in the dead of winter with no issues. With what we’ve explained above, the simple answer is YES, you can mix 5w30 and 10w40 oil without bothering of any catastrophic engine damage. This is because the ISO specifications are broad, and they overlap with SAE weights in some cases. A. Can you mix 5w30 and 10w30? Yes, why not! You can use a mixture of 5w30 and 10w30. 10w30 Nissan. There is no danger mixing synthetic and conventional motor oil. If you live in a region that experiences temperatures below -20 degrees Fahrenheit, however, you should use 5W30 engine oil. Can I mix 5w30 with 10w40? As posted above, mixing 5w0 will give you an oil that performs somewhat better in the cold than 10w40, but less good cold than 5w30, and that has a viscosity a bit higher than 5w30 but a bit lower than 10w40. People are running this in engines that call for 10W30, 5W30, 10W40, etc. Learn which one to choose for your climate. e. Straight 30w will be thick as honey when it's really cold (that's why it isn't reccommended for winter use), but thin. Site traffic information and cookies. However, there are a few things to keep in mind if you do. Yes, you can mix 5w30 and 10w30 oil, but it is not recommended. . If you were in a colder area up north somewhere, I'd highly suggest you change it out. While there are no apparent damages to your engine by using the blended mixture of 5w30 and 10w30, you have some. ROCHESTER, NY. Yes, you can mix 5w20 and 5w30 engine oils. The days of lubricants of the same application, type, and class fighting with each other are within reason, history. What oil should I use in my. To better understand, in a 5W-30 oil, the "W" stands for winter performance. There are no significant damages or problems that you will have to deal with. 6 quarts. i do this all the time. It can provide the user with noiseless and smooth gear and clutch operations. When looking for SAE 30 oil replacements, you should ensure that the equivalent has the same flow rate as SAE 30 at a normal operating temperature. 5W-40 won't hurt, and if you really want to try it, go ahead. THE 10W30 OIL & ITS BENEFITS. This can affect the performance of the oil at extreme temperatures or under certain operating conditions. However, since 5w30 and 10w40 have different viscosity and weight, it is advisable to mix them in equal quantities; that is to say, 50% of 5w30 to 50% of 10w40. Can I Use 10w30 Instead of 5w30 in Summer. It has a low viscosity of five, and the high viscosity is forty. For equipment operated in hot temperatures, Vanguard 15W50 Synthetic oil provides the best protection. With what we’ve explained above, the simple answer is YES, you can mix 5w30 and 10w40 oil without bothering of any catastrophic engine damage. 5W30 oils are easier to move in cold starts, on the other hand, 10W30 oils lubricate the engine. However, it may void your warranty if you tell the dealer about it. Available in 5w30, 10w30 & more. J. It is entirely safe and okay to mix 5W30 and 5W20. If you search online about mixing oils, you will get a lot of people telling you it is okay. Feb 2, 2006. The two oils are very similar, and they will both do a good job of lubricating your mower’s engine. You can do so for the same reason you can use 10w30 instead of 5w30 in most vehicles. If they originally recommended 10W-30, they you can use 5W-30 or a mixture. But there is a difference in the density of both of these oils. Yes, you can mix 20w50 oil with 10w30 oil. Starting the engine with warmed up oil is THE way to do it, and makes mixing totally not needed. Bottom Line. Without the right oil additives, you can wear the lobes off the camshaft. There are a few potential downsides to mixing 10w30 and 5w30 oils: The resulting oil viscosity may be too thin or too thick for your engine. Adding 10W30 to your current mix is safe and will not cause your engine to run any worse. #4. I found no reason, period, to run a 15w40 for bearing protection, bio-diesel, or towing in the 6. Mixing the viscosity of oil has no effect on the engine. Synthetic oil maintains it's viscosity over a wide range of temps. The lower viscosity makes 5w30 a better choice in cold weather. The short answer is yes, but there are some things you should be aware of before mixing the two viscosity grades. After all, Jiffy Lube ® knows oil. . As briefly answered in the intro paragraphs above, the simple answer is YES. The short story is that oils are all pretty much the same at temperature. However, 10w-30 oils tend to have significantly lower volatility than 5w-30 oils. Thinner oils equate to lesser drag, making them more energy-efficient. Yes, you can consider using 10w30 instead of 5w30 in the summer when temperatures are higher. The 10w30. Every day, trained Jiffy Lube technicians help thousands of motorists select the right motor oil, and that includes choosing synthetic vs. It’s not necessarily ideal, but doing so won’t cause harm to your engine. Mines the 2000, MB S500. Location. It will work great in your car in Georgia year-round. Yes, it is perfectly safe for you to mix 5W-30 and 10W-30 engine oils. So you can use 5w30 motor oil for your engine because it is recommended and suitable. The rest either became tarnish, or combusted incompletely& formed carbon deposits on the. Also, since turbos run at such high speeds and temps, the right type of oil is critical. 3 to get the second number. Mixing will not change the behavior of the waxes in the 10WXX oil. Even if you're on a tight budget, you can afford the $3 difference. Before mixing these you definitely should know that these are the oils that can’t be mixed. 4 100 degrees cSt, so you can call what you made 5w25, but more. Common grades include 0w20, 5w30, 10w30, and 15w40. My 2GR's run 30 and 40 grades. Pour the 5W30 into a mixing container: Place a clean container on an even surface and carefully pour the entire bottle of 5W30 oil into it. 10w30 oil is thicker and heavier than 5w30 oil because it has a higher viscosity at low temperatures. The answer is yes. Keep in mind oils do not mix if you have 5w30 and add 10w30 it won't give you a blens both oils will stay seperate so you will have a few quarts 5w30 and a quart 10w30 they never mix. If the 0w30 motor oil and 10w30 motor oil are heated up, these motor oils will have the same viscosity.